557293842 has 24 divisors (see below), whose sum is σ = 1379966016. Its totient is φ = 159226776.

The previous prime is 557293829. The next prime is 557293871. The reversal of 557293842 is 248392755.

557293842 is a `hidden beast` number, since 5 + 572 + 9 + 38 + 42 = 666.

It is a super-2 number, since 2×557293842² = 621152852662241928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2211358 + ... + 2211609.

It is an arithmetic number, because the mean of its divisors is an integer number (57498584).

Almost surely, 2^557293842 is an apocalyptic number.

557293842 is an abundant number, since it is smaller than the sum of its proper divisors (822672174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557293842 is a wasteful number, since it uses less digits than its factorization.

557293842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422982 (or 4422979 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 557293842 is about 23607.0718641682. The cubic root of 557293842 is about 822.9271953578.

The spelling of 557293842 in words is "five hundred fifty-seven million, two hundred ninety-three thousand, eight hundred forty-two".